Can someone clarify if I should be able to connect these effectively or not? If I am can you clarify the process of connecting them with the setup as described above? Powerline adapters separated by...

Check where to buy on their website. http://www.tp-link.ca/en/where-to-buy/?categoryid=902...

After firmware upgrade, did you reconfigure it manually or use the configuration file to make it work? If the latter, you have to reset the device to factory default and reconfigure it step by step....

NAT Boost is enabled, right? There is a beta firmware to solve the loopback issue. You can contact TP-LINK people to ask for it. Good luck. http://ticket.tp-link.com/index.php?/Tickets/Submit

TL-SF1008P works with IEEE 802.3af compliant PDs, while TL-WA5210G supports passive POE instead of standard POE(IEEE 802.3af compliant). Thus, SF1008P cannot power on WA5210G directly. TL-SF1008P and...

Power saving mode can be switched off on PA511 but SG1005D. Download the SwitchPowerSaveTool from the link as below. http://www.tp-link.com/en/support/download/?model=TL-PA511&version=V1#tbl_j